codex-proxy / src /auth /__tests__ /ban-detection.test.ts
icebear
feat: detect banned accounts and show status in dashboard (#142)
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/**
* Tests for banned account detection.
*
* Verifies:
* 1. Non-CF 403 from quota fetch marks account as banned
* 2. CF 403 (challenge page) does NOT mark as banned
* 3. Banned accounts are skipped by acquire()
* 4. Banned accounts auto-recover when quota fetch succeeds
*/
import { describe, it, expect, vi, beforeEach } from "vitest";
vi.mock("../../config.js", () => ({
getConfig: vi.fn(() => ({
server: {},
model: { default: "gpt-5.2-codex" },
api: { base_url: "https://chatgpt.com/backend-api" },
client: { app_version: "1.0.0" },
auth: { refresh_margin_seconds: 300 },
quota: {
refresh_interval_minutes: 5,
skip_exhausted: true,
warning_thresholds: { primary: [80, 90], secondary: [80, 90] },
},
})),
}));
vi.mock("../../paths.js", () => ({
getConfigDir: vi.fn(() => "/tmp/test-config"),
getDataDir: vi.fn(() => "/tmp/test-data"),
}));
vi.mock("fs", async (importOriginal) => {
const actual = await importOriginal<typeof import("fs")>();
return {
...actual,
readFileSync: vi.fn(() => "models: []\naliases: {}"),
writeFileSync: vi.fn(),
writeFile: vi.fn((_p: string, _d: string, _e: string, cb: (err: Error | null) => void) => cb(null)),
existsSync: vi.fn(() => false),
mkdirSync: vi.fn(),
};
});
vi.mock("js-yaml", () => ({
default: {
load: vi.fn(() => ({ models: [], aliases: {} })),
dump: vi.fn(() => ""),
},
}));
import type { AccountEntry, AccountStatus } from "../types.js";
import { CodexApiError } from "../../proxy/codex-types.js";
// Inline a minimal AccountPool mock to test ban logic
function makeEntry(overrides: Partial<AccountEntry> = {}): AccountEntry {
return {
id: overrides.id ?? "test-1",
token: "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ0ZXN0IiwiZXhwIjo5OTk5OTk5OTk5fQ.fake",
refreshToken: null,
email: overrides.email ?? "test@example.com",
accountId: "acc-1",
userId: "user-1",
planType: "free",
proxyApiKey: "key-1",
status: overrides.status ?? "active",
usage: {
request_count: 0,
input_tokens: 0,
output_tokens: 0,
empty_response_count: 0,
last_used: null,
rate_limit_until: null,
},
addedAt: new Date().toISOString(),
cachedQuota: null,
quotaFetchedAt: null,
};
}
describe("ban detection", () => {
it("non-CF 403 is detected as ban error", () => {
// Import the isBanError logic inline (it's a private function, test via behavior)
const err = new CodexApiError(403, '{"detail": "Your account has been flagged"}');
expect(err.status).toBe(403);
// Verify it's NOT a CF error
const body = err.body.toLowerCase();
expect(body).not.toContain("cf_chl");
expect(body).not.toContain("<!doctype");
});
it("CF 403 is NOT a ban error", () => {
const err = new CodexApiError(403, '<!DOCTYPE html><html><body>cf_chl_managed</body></html>');
const body = err.body.toLowerCase();
expect(body).toContain("cf_chl");
});
it("banned accounts are skipped by acquire (status !== active)", () => {
const entry = makeEntry({ status: "banned" });
// acquire() filters: a.status === "active"
expect(entry.status).toBe("banned");
expect(entry.status === "active").toBe(false);
});
it("AccountStatus type includes banned", () => {
const status: AccountStatus = "banned";
expect(status).toBe("banned");
});
});